[clang] [Darwin][Driver][clang] arm64-apple-none-macho is missing the Apple macros from arm-apple-none-macho (PR #122427)

[Jon Roelofs via cfe-commits]

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@@ -243,6 +247,8 @@ std::unique_ptr<TargetInfo> AllocateTarget(const llvm::Triple &Triple,
   case llvm::Triple::thumbeb:
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jroelofs wrote:

oh, I missed that we're already lumping `arm-none-macho` & friends under `DarwinARMTargetInfo`.

https://github.com/llvm/llvm-project/pull/122427